I have a 2012 mazda cx9 suv it's on stock electrical system, no upgrades. I have 4 - alpine tr10's installed, and have it setup with the Sundown SAZ-1500 amp, and we have an 80amp fuse which the amp keeps blowing, and then amp shuts off. Then i have to keep replacing the fuse but, it keeps blowing it when I have the volume up loud. why is it doing this? do I need to get an amp with more watts or what? Is the amp just not stable at 1 ohm? Everybody talks so highly of sundown that's why I got this amp and am dissapointed it's doing this. I'm not sure if the SAZ-1500 has the same specs as the SAZ-1500v2. I'm not sure if I have the V2 or the first one, I bought it at sound solutions audio last year brand new. So far i've only found the specs of the V2 which are this:

Rated power output

----RMS power, 2 ohm linkable/dual mono

3000W x 1CH

----RMS power, 1 ohm mono

1500W x 1CH

----RMS power, 2 ohm mono 800W x 1CH

----RMS power, 4 ohm mono

400W x 1CH

The specs on my alpine tr-10's are this:

Power Handling

CEA-2031 Power Rating: 600W

Power Range: 300 - 600 Watts

RMS Power Handling: 600W

Peak Power Handling: 1800W

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